Home / 185,121.37-277,624.59-66,777.31

Finding the Fourth Proportional to 185,121.37, 277,624.59 and 66,777.31

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Solution

The fourth proportional to 185,121.37, 277,624.59 and 66,777.31 is: 100,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,121.37 : 277,624.59 = 66,777.31 : x
  2. Step 2: Convert to fraction form
    185,121.37/277,624.59 = 66,777.31/x
  3. Step 3: Cross multiply
    185,121.37x = 277,624.59 × 66,777.31
  4. Step 4: Simplify right side
    185,121.37x = 18,539,023,310.05
  5. Step 5: Solve for x
    x = 18,539,023,310.05/185,121.37
  6. Step 6: Final answer
    x = 100,145.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.